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प्रश्न
Select the correct answer from the following statement:
The gas which in presence of U.V. light gives two atoms of the same gas.
पर्याय
Oxygen
Ozone
Carbon dioxide
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उत्तर
Oxygen
APPEARS IN
संबंधित प्रश्न
Write the harmful effects of ozone depletion.
What would happen if the ozone layer in the atmosphere completely disappears?
Give scientific reasons:
Ozone present in the stratosphere is called as “good ozone”.
Fill in the Blanks:
The ______ is the layer of the atmosphere that contains the protective ozone layer
Fill in the Blanks:
______ is manmade compounds that have been widely used as refrigerants and in spray propellants and foam blowing.
Enumerate the damage to humans, animals and plants caused due to ozone depletion.
Enumerate methods of protecting the ozone layer and preventing its depletion.
Give balanced equation for the following conversion [one or two steps].
Oxygen to ozone gas by photolysis.
Which of the following may be a conclusion of the excessive exposure of humans to sun’s ultraviolet rays?
- Peptic ulcers
- Eye disease like cataract
- Damage to lungs
- Skin cancer
In 1987, the United Nations Environment Programme (UNEP) forged an agreement to freeze the production of a certain chemical to the year 1986 level. Name the chemical and the manufacturing companies m which this chemical was being mostly used.
In what way this chemical damage -
- the upper layers of the atmosphere and ultimately
- the organisms on the earth.
